go-profiler-notes/mutex.md

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# Mutex Profiling in Go

## History

Mutex profiling was [implemented](https://go-review.googlesource.com/c/go/+/29650/) by [Peter J. Weinberger](https://en.wikipedia.org/wiki/Peter_J._Weinberger) and first appeared in the [go1.8](https://golang.org/doc/go1.8#mutex_prof) release (2017-02-16).

## Links

- https://rakyll.org/mutexprofile/
- https://talks.golang.org/2017/state-of-go.slide#23

## Disclaimers

I'm [felixge](https://github.com/felixge) and work at [Datadog](https://www.datadoghq.com/) on [Continuous Profiling](https://www.datadoghq.com/product/code-profiling/) for Go. You should check it out. We're also [hiring](https://www.datadoghq.com/jobs-engineering/#all&all_locations) : ).

The information on this page is believed to be correct, but no warranty is provided. Feedback is welcome!